5.5

CVE-2025-68351: exfat: fix refcount leak in exfat_find

Analyzed
AliasesUBUNTU-CVE-2025-68351DEBIAN-CVE-2025-68351CGA-33gm-w3h8-4jcv
Published 24-12-2025Last modified 27-05-2026

Vulnerability summary

CVE-2025-68351 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 29 · Related 30
DSA-6126-1OPENSUSE-SU-2026:10039-1OPENSUSE-SU-2026:10301-1OPENSUSE-SU-2026:20145-1SUSE-SU-2026:0278-1SUSE-SU-2026:0281-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 27-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfat_find Fix refcount leaks in `exfat_find` related to `exfat_get_dentry_set`. Function `exfat_get_dentry_set` would increase the reference counter of `es->bh` on success. Therefore, `exfat_put_dentry_set` must be called after `exfat_get_dentry_set` to ensure refcount consistency. This patch relocate two checks to avoid possible leaks.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu130 products
  • linux< 6.8.0-117.117 | < 6.17.0-22.22
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1055.58 | < 6.17.0-1012.12
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard5 products
  • linux-aws-6.12< 6.12.77-r0 | < 6.12.77-r1 | < 6.12.74-r1 | < 6.12.76-r0 | < 6.12.77-r2 | < 6.12.78-r0 | < 6.12.80-r0
  • linux-azure-6.12< 6.12.74-r1 | < 6.12.77-r1 | < 6.12.77-r0 | < 6.12.80-r0 | < 6.12.78-r0 | < 6.12.77-r2 | < 6.12.76-r0
  • linux-gcp-6.12< 6.12.77-r2 | < 6.12.76-r0 | < 6.12.78-r0 | < 6.12.77-r0 | < 6.12.74-r1 | < 6.12.77-r1 | < 6.12.80-r0
  • linux-qemu-6.12< 6.12.76-r0 | < 6.12.80-r0 | < 6.12.74-r1 | < 6.12.78-r0 | < 6.12.77-r1 | < 6.12.77-r0 | < 6.12.77-r2
  • linux-vmware-6.12< 6.12.77-r1 | < 6.12.76-r0 | < 6.12.77-r0 | < 6.12.78-r0 | < 6.12.80-r0 | < 6.12.77-r2 | < 6.12.74-r1
Linux2 products
  • linux≥ 92075758782c5edb4c67d0da9e47586a624c22f7, < fc9ce762525e73438d31b613f18bca92a4d3d578 | ≥ 13940cef95491472760ca261b6713692ece9b946, < d009ff8959d28d2a33aeb96a5f7e7161c421d78f | ≥ 13940cef95491472760ca261b6713692ece9b946, < 9aee8de970f18c2aaaa348e3de86c38e2d956c1d | 0c8a1d2afd0dce0ea9257ab8c2271d8db6cb575d | 6c627bcc1896ba62ec793d0c00da74f3c93ce3ad | ≥ 6.12.23, < 6.12.68 | ≥ 6.13.11, < 6.14 | 6.14
  • linux_kernelEOL≥ 6.12.23, < 6.12.68 | ≥ 6.12.59, < 6.13 | ≥ 6.13.11, < 6.14 | ≥ 6.14.1, < 6.18.2 | 6.14 | 6.14:rc6 | 6.14:rc7
Debian1 product
  • linux< 6.12.69-1 | < 6.18.3-1

4 vendors · 138 products

References

21 links
Show all 21 references